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Related Concept Videos

CRISPR01:59

CRISPR

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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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CRISPR/Cas9 Genome Editing01:28

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The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...
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The Antiviral System of Bacteria and Archaea: CRISPR01:23

The Antiviral System of Bacteria and Archaea: CRISPR

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CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats is a adaptive immune system found in bacteria and archaea that protects against viral infections. This system enables prokaryotic cells to identify, remember, and neutralize foreign genetic elements, primarily bacteriophages, by storing fragments of the invader’s DNA as a genetic memory.The CRISPR immune response begins during an initial infection. Cas (CRISPR-associated) proteins play a central role in this...
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CRISPR and crRNAs02:53

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Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
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Updated: Nov 8, 2025

Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
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CRISPR Tech Behind Super-Sensitive, Smartphone COVID Test.

Leslie Mertz

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    |April 20, 2021
    PubMed
    Summary
    This summary is machine-generated.

    A new CRISPR-based test rapidly detects SARS-CoV-2, the virus causing COVID-19, even at low levels. This DIY test also quantifies viral load, aiding public health decisions.

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    Area of Science:

    • Molecular Biology
    • Infectious Diseases
    • Biotechnology

    Background:

    • The COVID-19 pandemic necessitates rapid and accessible diagnostic tools.
    • Current diagnostic methods can have limitations in speed and sensitivity for detecting SARS-CoV-2.

    Purpose of the Study:

    • To report on a novel CRISPR technology test for SARS-CoV-2 detection.
    • To evaluate the test's ability to determine infection and measure viral load.

    Main Methods:

    • Utilized advanced CRISPR technology for rapid molecular detection.
    • Developed a test to identify SARS-CoV-2 presence and quantify viral load.

    Main Results:

    • The CRISPR test accurately detects very low levels of SARS-CoV-2.
    • The test provides a rapid and direct measurement of viral load.

    Conclusions:

    • CRISPR technology offers a promising solution for quick, do-it-yourself COVID-19 testing.
    • This diagnostic approach can empower individuals to make informed decisions regarding public health interactions.